single-celled

Made up of only one cell. Bacteria are single-celled organisms.

Nearby words

Now the single-celled Infusorian is in many respects comparable with the single-celled germ of the higher animals.
Applied Eugenics|Paul Popenoe and Roswell Hill Johnson
There are many kinds of these single-celled plants in the world.
Through Magic Glasses and Other Lectures|Arabella B. Buckley
A single-celled, protoplasmic organism, which is constantly changing its form by protrusions and withdrawals of its substance.
A Practical Physiology|Albert F. Blaisdell
There still exist large numbers of similar “single-celled organisms.”
The History of Creation, Vol. II (of 2)|Ernst Haeckel

They are single-celled organisms and each individual has the prime factors of life, assimilation, growth and reproduction.
Birds and Nature Vol. 9 No. 1 [January 1901]|Various